Q I have a job in a gym that will require 10 circuits for a Stairmaster machine and tread mills, 120V 16A each.I'm wondering if I can use a common neutral for bringing out 10 hot legs and five neutrals and a ground. In Article 225-7 (b), the ampacity of the neutral conductor shall not be less than the maximum net-computed load current between the neutral and all ungrounded conductors connected to
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